Crosscutting Concepts
1) Scale, Proportion, and Quantity, High SchoolThe significance of a phenomenon is dependent on the scale, proportion, and quantity at which it occurs.

2) Systems & System Models, High School Models (e.g., physical, mathematical, computer models) can be used to simulate systems and interactions --including energy, matter, and information flows -- within and between systems at different scales.

3) Cause and Effect, High School Systems can be designed to cause a desired effect.